posted by Grace .
Given (a+2,a-2)= a for all integers a, (6,2)=
The cost of a drive-in movie is $y per vehicle. A group of friends in a van shared the admission cost by paying $0.40 each.If 6 more friends had gone along,everyone would have paid only $0.25 each. What is the value of $y?
Solve for a
Let x=initial number of friends.
0.4x = 0.25(x+6)
Solve for x.